Finding the Third Proportional to 445,984.25 and 635,758.50

Step by Step Solution

1. Step 1: Write the proportion equation
   445,984.25 : 635,758.50 = 635,758.50 : x
2. Step 2: Convert to fraction form
   445,984.25/635,758.50 = 635,758.50/x
3. Step 3: Cross multiply
   445,984.25x = 635,758.50 × 635,758.50
4. Step 4: Simplify right side
   445,984.25x = 404,188,870,322.25
5. Step 5: Solve for x
   x = 404,188,870,322.25/445,984.25
6. Step 6: Final answer
   x = 906,285.08